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The Fine Print: The following comments are owned by whoever posted them. We are not responsible for them in any way.
bydgatwood ( 11270 ) writes:
ICE cars produce 350g of CO2 per mile versus 200g of CO2 per mile for EVs. At last check, synthetic-fuel-powered vehicles took about 4x as much power per mile as battery-electric vehicles. So unless the energy mix used to produce them is *very* different from the average, that would mean that synthetic fuels would be expected to produce 800g of CO2 per mile, meaning that a modern hybrid using synthetic fuels would be about as bad as a gas guzzling 1980s-era SUV burning normal gasoline.
So while synthetic
byMacMann ( 7518492 ) writes:
ICE cars produce 350g of CO2 per mile versus 200g of CO2 per mile for EVs.
There's a "sunk cost" of emitted CO2 for producing each vehicle so it is not a complete comparison to take on the CO2 emissions per mile. Add the PHEV option to the mix and we'd find the PHEV almost always wins out. I'd point to a source but history tells me I'd only be accused of cherry picking my source. So, I'll ask someone else to try to prove me right or wrong with their own source.
Right now, the idea of switching to synthetic fuels is basically pure fantasy from a practical perspective.
I know that there's plenty of disagreement on that point. That includes the fine article under discussion right now.
Hydrocarbon synthesis is a process that's been known for a very long time, and has been used for quite some time to produce high performance lubricating oils, and recently in varied nations for rocket fuel where the resulting purity of the fuel is worth the extra cost of synthesizing it than refining it from petroleum. Hydrocarbon synthesis has already been proven practical in some applications, we need only develop the process and scale it up for use as commodity fuels versus relatively niche applications.
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bydgatwood ( 11270 ) writes:
ICE cars produce 350g of CO2 per mile versus 200g of CO2 per mile for EVs.
There's a "sunk cost" of emitted CO2 for producing each vehicle so it is not a complete comparison to take on the CO2 emissions per mile. Add the PHEV option to the mix and we'd find the PHEV almost always wins out. I'd point to a source but history tells me I'd only be accused of cherry picking my source. So, I'll ask someone else to try to prove me right or wrong with their own source.
Counting the manufacturing CO2 towards the lifetime CO2 emissions for a car is actually a fallacy. Most of that CO2 comes from mining raw materials and refining them. But once that happens, those raw materials are mostly metals, which are infinitely recyclable, which means you only mine them once, and you can reuse those raw materials for multiple cars over the course of millennia.
Once you take that out of the equation, the BEVs should win every time.
Right now, the idea of switching to synthetic fuels is basically pure fantasy from a practical perspective.
I know that there's plenty of disagreement on that point. That includes the fine article under discussion right now.
Hydrocarbon synthesis is a process that's been known for a very long time, and has been used for quite some time to produce high performance lubricating oils, and recently in varied nations for rocket fuel where the resulting purity of the fuel is worth the extra cost of synthesizing it than refining it from petroleum. Hydrocarbon synthesis has already been proven practical in some applications, we need only develop the process and scale it up for use as commodity fuels versus relatively niche applications.
I'm not saying that making the synthetic fuel is a fant
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